10 Best Vegetable Garden Fertilizers 2025 in the United States

FoxFarm Big Bloom is a liquid fertilizer designed mainly for flowering and fruiting plants, including vegetables, making it a good fit for gardeners looking to boost blooms and flavors in their vegetable gardens. The N-P-K ratio (0-0.5-0.7) shows very low nitrogen and phosphorus but some potassium, which supports flower and fruit development rather than leafy growth. It is organic, made from natural ingredients like earthworm castings and bat guano, which is ideal for those who prefer eco-friendly options.

This product is slow-release since it relies on natural nutrient sources, providing a gentler, steady feeding compared to quick synthetic fertilizers. Big Bloom also helps strengthen plant roots and enhances flavor and aroma in herbs and vegetables, which can be a nice bonus for home growers. It’s liquid and easy to mix with water, so application is simple and convenient.

Because of its low nitrogen content, it might not be sufficient alone if your vegetable garden needs strong leafy growth or if your soil lacks other essential nutrients. Big Bloom is effective as a bloom booster and flavor enhancer for gardeners focused on flowers, fruits, and herbs, but it may not cover all base nutrient needs for a fully balanced vegetable garden.

Miracle-Gro Shake 'N Feed All Purpose Plant Food is designed to feed plants for up to 3 months, making it a convenient option for gardeners who prefer less frequent application. It contains vital micronutrients that promote stronger and more vibrant plant growth, which is beneficial for a vegetable garden.

This fertilizer can be used with various plant types including flowers, vegetables, and herbs, and is suitable for both in-ground and container plants, offering versatility in application. The granule form allows easy application by simply working it into the soil and watering to activate the feeding process.

The inclusion of natural ingredients suggests a blend of synthetic and organic components, catering to different gardener preferences. This product is well-suited for gardeners looking for a straightforward, long-lasting fertilizer that supports diverse plant types.

The FoxFarm Fertilizer Soil Trio (Tiger Bloom, Grow Big, Big Bloom) is a well-rounded option for those looking to support their vegetable garden's growth. This pack includes three different liquid fertilizers that work together to ensure lush vegetative growth, abundant fruit, and multiple bud development. Grow Big is a liquid concentrate focusing on lush growth, while Big Bloom, which is OMRI Listed and CDFA Organic Input Material registered, can be used with every watering to support all plant types.

Tiger Bloom is particularly useful for encouraging vigorous growth and the development of flowers and fruits due to its phosphorus and nitrogen content. The included Twin Canaries Conversion Chart is a helpful tool for users to measure the correct application rates easily. On the downside, being a liquid, it may require more frequent application compared to slow-release granules, which can be less convenient for some gardeners.

It's also important to note that the product weight is relatively low (16 ounces each), so larger gardens may require multiple packs. Despite these minor drawbacks, the FoxFarm Fertilizer Soil Trio offers an effective and organic way to nurture vegetable gardens, making it a good choice for both new and seasoned gardeners alike.